Home / 188,183.40-259,695.01-102,143.13

Finding the Fourth Proportional to 188,183.40, 259,695.01 and 102,143.13

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Solution

The fourth proportional to 188,183.40, 259,695.01 and 102,143.13 is: 140,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,183.40 : 259,695.01 = 102,143.13 : x
  2. Step 2: Convert to fraction form
    188,183.40/259,695.01 = 102,143.13/x
  3. Step 3: Cross multiply
    188,183.40x = 259,695.01 × 102,143.13
  4. Step 4: Simplify right side
    188,183.40x = 26,526,060,320.60
  5. Step 5: Solve for x
    x = 26,526,060,320.60/188,183.40
  6. Step 6: Final answer
    x = 140,958.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.